CN1711147A - Cutting insert with an astral recess for receiving the clamp - Google Patents

Cutting insert with an astral recess for receiving the clamp Download PDF

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Publication number
CN1711147A
CN1711147A CNA2003801032315A CN200380103231A CN1711147A CN 1711147 A CN1711147 A CN 1711147A CN A2003801032315 A CNA2003801032315 A CN A2003801032315A CN 200380103231 A CN200380103231 A CN 200380103231A CN 1711147 A CN1711147 A CN 1711147A
Authority
CN
China
Prior art keywords
cutting tip
tip
star
plane
cutting
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CNA2003801032315A
Other languages
Chinese (zh)
Other versions
CN100592947C (en
Inventor
斯图雷·舍
托马斯·舍贝里
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Sandvik Intellectual Property AB
Original Assignee
Sandvik Intellectual Property AB
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Sandvik Intellectual Property AB filed Critical Sandvik Intellectual Property AB
Publication of CN1711147A publication Critical patent/CN1711147A/en
Application granted granted Critical
Publication of CN100592947C publication Critical patent/CN100592947C/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23B—TURNING; BORING
    • B23B27/00—Tools for turning or boring machines; Tools of a similar kind in general; Accessories therefor
    • B23B27/14—Cutting tools of which the bits or tips or cutting inserts are of special material
    • B23B27/16—Cutting tools of which the bits or tips or cutting inserts are of special material with exchangeable cutting bits or cutting inserts, e.g. able to be clamped
    • B23B27/1644—Cutting tools of which the bits or tips or cutting inserts are of special material with exchangeable cutting bits or cutting inserts, e.g. able to be clamped with plate-like cutting inserts of special shape clamped by a clamping member acting almost perpendicularly on the chip-forming plane and at the same time upon the wall of a hole in the cutting insert
    • B23B27/1651—Cutting tools of which the bits or tips or cutting inserts are of special material with exchangeable cutting bits or cutting inserts, e.g. able to be clamped with plate-like cutting inserts of special shape clamped by a clamping member acting almost perpendicularly on the chip-forming plane and at the same time upon the wall of a hole in the cutting insert characterised by having a special shape
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23B—TURNING; BORING
    • B23B2200/00—Details of cutting inserts
    • B23B2200/36—Other features of cutting inserts not covered by B23B2200/04 - B23B2200/32
    • B23B2200/3618—Fixation holes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23B—TURNING; BORING
    • B23B2200/00—Details of cutting inserts
    • B23B2200/36—Other features of cutting inserts not covered by B23B2200/04 - B23B2200/32
    • B23B2200/3627—Indexing
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T407/00—Cutters, for shaping
    • Y10T407/22—Cutters, for shaping including holder having seat for inserted tool
    • Y10T407/2222—Tool adjustable relative to holder
    • Y10T407/2226—Plural provisions for adjustment
    • Y10T407/223—Plural provisions for adjustment including pivotable seat or tool
    • Y10T407/2232—Plural provisions for adjustment including pivotable seat or tool with detent
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T407/00—Cutters, for shaping
    • Y10T407/22—Cutters, for shaping including holder having seat for inserted tool
    • Y10T407/2272—Cutters, for shaping including holder having seat for inserted tool with separate means to fasten tool to holder
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T407/00—Cutters, for shaping
    • Y10T407/22—Cutters, for shaping including holder having seat for inserted tool
    • Y10T407/2272—Cutters, for shaping including holder having seat for inserted tool with separate means to fasten tool to holder
    • Y10T407/2282—Cutters, for shaping including holder having seat for inserted tool with separate means to fasten tool to holder including tool holding clamp and clamp actuator
    • Y10T407/229—Pivoted jaw
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T407/00—Cutters, for shaping
    • Y10T407/23—Cutters, for shaping including tool having plural alternatively usable cutting edges

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Cutting Tools, Boring Holders, And Turrets (AREA)
  • Powder Metallurgy (AREA)
  • Treatment Of Fiber Materials (AREA)
  • Food-Manufacturing Devices (AREA)

Abstract

According to the invention, there is a new type of hole-provided indexable inserts, intended to be clamped in an insert holder by a clamp (11) that fixes the cutting insert both vertically and horizontally. The surface (29) of the cutting insert located around the centre hole (14) is an elevated or countersunk plane and has a star-shaped point shape having at least 6 points, adapted to constitute contact surfaces for the lower, pairwise-arranged part surfaces of the clamp upon the tightening of the tightening screw (21).

Description

Cutting tip with the star recess that is used for receiving jig
Technical field
The present invention relates to a kind of novel porose indexable insert tip, throw away tip that is provided with in the center, be used for the chip removing machining of metal material.
Background technology
This indexable insert tip, throw away tip has the cutting drift angle below 80 ° usually, and is generally used for dissimilar profilings.Have the knife rest of number of different types on the market now, they are specially adapted to this indexable insert tip, throw away tip, for example the indexable insert tip, throw away tip of rhombus, rhomboid or isosceles triangle.The material that uses in this indexable insert tip, throw away tip is generally sintered hard alloy or pottery.
The frequent now type of indexable insert plates of using has the wiper geometry of being known as in each effective cutting angle outer surface.The meaning is the radius that changes corner geometry, makes that the angular radius in the cutting angle is made up of a plurality of minor radius adjacent each other, and each adjacent radius of adjacent another radius part partly has different radius size.By such geometry, might significantly improve the feed speed of cutting tip, can make processing work obtain the excellent surface processing of expectation simultaneously.When using this cutting tip with wiper geometry, cutting tip is by common shaft bar clamping, and described support is for example at United States Patent (USP) 3,314, shown in 126 and disclosed type.When using such cutting tip, expectation now has a kind of tool holder system, promptly by the clamping cutting tip, not only provides the active force that inwardly draws, and provides simultaneously to the active force that presses down.For the top geometry of selecting smear metal side, cutting tip top, itself then causes certain restriction.
Summary of the invention
According to this background technology, an object of the present invention is to provide a kind of novel insert design, it is suitable for effectively being locked by the knife rest of the above-mentioned type with inside and downward pulling force on the one hand, and it leaves enough big surplus capacity on the top side of cutting tip on the other hand, so that for example angle that can obtain to expect or other geometry, perhaps it can realize directly being pressed into the insertion of the more advanced chiprupter geometry in the chip surface of top.
According to the present invention, that the surface of the cutting tip that is provided with around the hole is made into the plane and be endowed star profile simultaneously with at least 6 tips, the lower surface of the clamping blade of anchor clamps is provided with in pairs, abuts thereby form the plane at the tip portion of the paired setting of the above-mentioned star part of fastening when being used to clamp the anchor clamps of cutting tip and cutting tip top side.About this point, the surface of the cutting tip around centre bore preferably is formed the plane that is parallel to the cutting tip bottom surface.According to a kind of practicable design, the part surface that is provided with around centre bore star is formed the plane of immersing oneself in the cutting tip upper plane.Yet replacedly, described star-shaped surface can be a such shape, and promptly the part surface around the centre bore raises with respect to the other parts of cutting tip end face.
Description of drawings
The present invention will describe together with the preferred embodiment shown in the accompanying drawing below.
Fig. 1 has shown side view of an insert holder and an indexable insert plate according to the invention.
Fig. 2 has shown the plane that has according to the knife rest of the indexable insert tip, throw away tip of Fig. 1.
View when Fig. 3 has shown from the anchor clamps beneath of Fig. 1-2 intermediate slide.
Fig. 4 has shown the plane according to the indexable insert tip, throw away tip of Fig. 1-2, and
Fig. 5 a-c has shown that anchor clamps according to the present invention are in different latched positions with indexable insert tip, throw away tip.
Fig. 6 has shown the stereogram according to optional insert shape of the present invention.
Fig. 7 has shown the stereogram according to other insert shape of the present invention.
The specific embodiment
Show with holder clamp 11 at the indexable insert tip, throw away tip shown in Fig. 1-2 10.Indexable insert tip, throw away tip has the basic profile of rhombus and the cutting drift angle below 80 ° in the embodiment shown in this.The plane 12 of indexable insert tip, throw away tip parallel to each other forms the right angle with 13 with respect to the edge surface that is connected them.Indexable insert tip, throw away tip 11 has central through hole 14, and its central axis is oriented orthogonal to the plane 12 and 13 of cutting tip.The base that receives indexable insert tip, throw away tip 10 therein comprises bottom supporting face 15 and two sidepiece bearing- surfaces 16 and 17 from above-mentioned bottom supporting face vertical lifting.Bottom supporting face 15 can be the part surface of the knife rest 18 in the embodiment as shown, perhaps is made of the independent backing plate in the cutting tip base, and it is by suitable fastener (not shown) clamping.
In order indexable insert tip, throw away tip 10 to be clamped in the cutting tip base in the knife rest, as described anchor clamps 11 are set, its trip bolt 21 that is screwed in the elongated dimple 19 in the anchor clamps by a screw thread can be movable, advance its central axis C in the screwed hole 20 of trip bolt 21 in knife rest 18 1The central axis C that is parallel to blade aperture 14 2Directed.The front end of anchor clamps 11 is made of downward-first projection 22 of pointing to that slopes inwardly, and it is with the central axis C with respect to hole 14 2Become the inclination angle orientation of α, setting inwardly engages with hole wall in the blade aperture 14 towards knife rest with contact point 23 places of a distance below in blade aperture like this.Simultaneously, the part of anchor clamps 11 bottom sides forms at contact-making surface 24 places of the part of close cutting tip centre bore 14 with the top side 12 of cutting tip and engages.The opposite end of anchor clamps 11 is made of second projection 25, it is received in the dimple 26 in the knife rest 18, projection 25 end face 27 is convexly formed and is set to forms surperficial the contact with corresponding plane stop surface 28 when clamping, plane stop surface 28 in described dimple 26 with central axis C with respect to trip bolt 21 1Become the inclination angle to form.Selectively, end face 27 can contact with plane stop surface 28 in level formation.The size of angle [alpha] should be equal to or slightly less than acutangulate angle of inclination beta substantially, and the rear portion contact-making surface 28 in the knife rest is angle β orientation thus.
According to the present invention, the upper surface portion of cutting tip around center cutter film perforation 14 forms the plane 29 with star basic configuration, by radially outer restriction, it is intended to described plane 29 and preferably is formed the surface that raises with respect to end face 12 wherein said star by at least 6 tips.Yet selectively, surface 29 should be the surface of immersing oneself in about end face 12 in some cases.Each tip 30 can be as shown in Figure 2 acute angle or level and smooth circle.The inner radial boundary line 31 on plane 29 should and be connected to centre bore 14 for circle, and has the radius identical with centre bore thus.
Describe in the above and embodiment illustrated in the accompanying drawings, as described, by at least 6 tip portions 30 by radially outer restriction.
In the embodiment, the radial outside of each tip portion 30 upper end eventually comprises two top part 30a and 30b shown in figure 2.At the cutting tip place that polygon is shaped, as shown in Figure 4, at least two of the cutting tip angle parts relative along diametric(al), described part 30a and 30b should be formed on cutting tip on the both sides of bisector B symmetrically.In this point, the bisector B of same tip portion should pass the center of blade aperture 14 in the bight of described two relative positionings.
The plane 29 of described basic star is used to become the contact-making surface of anchor clamps bottom surface portions, and it is near center cutter film perforation 14 location.Clearer and more definite, intention is, the bottom of anchor clamps in above-mentioned part should have isolated part surface 32a and 32b are set in pairs, and it can have the tapered arcuate shape of width, perhaps be substantially triangular in shape, contact so that form the surface with surface 29 correspondingly configured planar sections.
In leg-of-mutton embodiment, its shape can be shown specifically by the 33a and the 33b of the star-shaped surface among Fig. 4 29.
Shown that in Fig. 5 a, 5b and 5c the indexable insert tip, throw away tip that proposes according to the present invention can expose the acute angle cutting angle, it refers to 34 in Fig. 5 a, and with 35 cutting angles, obtuse angle that refer to, is used to have the chip shaping processing of the above-mentioned type anchor clamps.
In Fig. 6, show an optional blade shapes, had the star-shaped surface of forming by the surperficial 36a of many isolated hearts, 36b, 36c, 36d, 36e and 36f 29.Described surface is with parallel around plane 12 and about the plane of above-mentioned plane rising certain distance.The internal interface on each this surface is further crooked corresponding to the circular ground of the curvature of centre bore 14 basically.Each this heart-shaped surface is treated to a bit of distance of the opening that radially inwardly leaves hole 14.
The profile that has shown another optional blade in Fig. 7 has the surface texture that raises around blade aperture 14, is along the form of circumferencial direction apart from one another by a plurality of surperficial fragment 37a-f that open, and its each is V-arrangement.In Fig. 6, the internal interface on each this surface is crooked corresponding to the circular ground of the curvature of centre bore 14 basically.In addition, a bit of distance of each this surperficial fragment opening of leaving hole 14 stops.

Claims (9)

1. being used for type is the cutting tip that includes the cutting tool of knife rest, and described knife rest has the base that is used to receive cutting tip (10), and the shape of this base is corresponding with the shape of cutting tip part; And anchor clamps (11), it is connected and is used for cutting tip is clamped in base by screw (21) with knife rest, anchor clamps (11) have front end (4), its be set to in two of cutting tip relative top sides and bottom side (12, the hole (14) of one of them side split shed 13) engages, so that when trip bolt, cutting tip drawn in the base and directly at least one side on the cutting tip is pressed against respective side (16 in the base, 17) on, simultaneously with trip bolt when fastening, one or more lower surface of anchor clamps be positioned at blade aperture (14) and support side (16, the surface portion of the cutting tip 17) contacts, it is characterized in that: the surface (29) of hole (14) cutting tip on every side is for the plane and have the basic configuration of star, described star has at least 6 tips, the lower surface of anchor clamps is provided with in pairs, so that with trip bolt (21) when fastening, form the plane with the tip portion of the paired setting of described star-shaped surface (29) and abut.
2. cutting tip as claimed in claim 1 is characterized in that: the surface that cutting tip is positioned at around the hole is the plane parallel with the bottom surface of cutting tip.
3. cutting tip as claimed in claim 1 or 2 is characterized in that: the surface (29) that hole (14) star on every side is provided with forms in the upper flat surface (12) of cutting tip immerses oneself in plane form.
4. cutting tip as claimed in claim 1 or 2 is characterized in that: the surface (29) that hole (14) star on every side is provided with forms the plane form of rising with respect to the other parts on cutting tip upper flat surface.
5. as any described cutting tip among the claim 1-4, it is characterized in that: in most advanced and sophisticated (30) paired each angular zone that is arranged on cutting tip, at at least two along office, bight that diametric(al) is oppositely arranged, in pairs (30a 30b) is symmetrically located at the both sides of bisector (B) to the part that is provided with.
6. as any described cutting tip among the claim 1-5, it is characterized in that: the inner radial boundary line (31) of plane surface (29) is circular, is connected to centre bore (14) with the radius identical with centre bore (14).
7. as any described cutting tip among the claim 1-6, it is characterized in that: the tip portion (30) of hole (14) star-shaped surface on every side has slick and sly outer terminal.
8. cutting tip as claimed in claim 5 is characterized in that: bisector (B) is passed the center of blade aperture (14).
9. as any described cutting tip among the claim 1-8, it is characterized in that: cutting tip is the polygon that has less than 80 ° cutting drift angle.
CN200380103231A 2002-11-13 2003-11-12 Cutting insert with an astral recess for receiving the clamp Expired - Fee Related CN100592947C (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
SE0203378A SE525875C2 (en) 2002-11-13 2002-11-13 Cutter for cutting tools with raised transition surface
SE02033785 2002-11-13

Publications (2)

Publication Number Publication Date
CN1711147A true CN1711147A (en) 2005-12-21
CN100592947C CN100592947C (en) 2010-03-03

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN200380103231A Expired - Fee Related CN100592947C (en) 2002-11-13 2003-11-12 Cutting insert with an astral recess for receiving the clamp

Country Status (7)

Country Link
US (1) US7195427B2 (en)
EP (1) EP1569769B1 (en)
KR (1) KR101071600B1 (en)
CN (1) CN100592947C (en)
AT (1) ATE543597T1 (en)
SE (1) SE525875C2 (en)
WO (1) WO2004058437A1 (en)

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KR101258975B1 (en) * 2008-07-22 2013-04-29 가부시키가이샤 탕가로이 Clamping member, tool holder, and indexable cutting tool
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CN103237619B (en) * 2010-08-04 2015-12-16 陶瓷技术有限责任公司 cutting tool and blade

Also Published As

Publication number Publication date
WO2004058437A1 (en) 2004-07-15
EP1569769A1 (en) 2005-09-07
US20060018723A1 (en) 2006-01-26
KR101071600B1 (en) 2011-10-10
CN100592947C (en) 2010-03-03
EP1569769B1 (en) 2012-02-01
ATE543597T1 (en) 2012-02-15
SE525875C2 (en) 2005-05-17
SE0203378L (en) 2004-05-14
SE0203378D0 (en) 2002-11-13
KR20050075413A (en) 2005-07-20
US7195427B2 (en) 2007-03-27

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Termination date: 20161112